amlogic: Introduce unified private header file

Now that also the SHA256 DMA driver is shared between all the SoCs, we
can have one single private platform header file.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: I77d51915f9d8233aeceeed66ed1f491573402cfc
diff --git a/plat/amlogic/gxl/gxl_thermal.c b/plat/amlogic/gxl/gxl_thermal.c
index 3af1c6d..268606c 100644
--- a/plat/amlogic/gxl/gxl_thermal.c
+++ b/plat/amlogic/gxl/gxl_thermal.c
@@ -1,12 +1,12 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <stdint.h>
 
-#include "gxl_private.h"
+#include "aml_private.h"
 
 static int32_t modules_initialized = -1;